Hydraulic assisted steering device for a motor vehicle

Details Hydraulic assisted steering device for a motor vehicle Hydraulic assisted steering device for a motor vehicle

1981-01-12

1983-06-14

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

91375A, B62D 508

Patent

active

043877370

ABSTRACT:
A hydraulic assisted steering device for a motor vehicle, of the type having a rotary distributor, comprising a distribution sleeve which extends a steering control member, a rotor of generally tubular shape, which is disposed within the sleeve, a torsion bar which is housed within the rotor and which has one end fixed to the rotor and the other end fixed to the steering control member, and a hydraulic circuit for generating a control value in response to an angular movement imparted to the rotor.
According to the invention, the torsion bar comprises an active portion of constant section of high-resiliency steel, and two end members and ordinary steel, which are respectively engaged on the ends of the active portion and are fixed to said ends, the end members being respectively fixed with respect to the rotor and the steering control member.

REFERENCES:
patent: 3393608 (1968-07-01), Saunders
patent: 3748687 (1973-07-01), Romberg
patent: 4217811 (1980-08-01), Dzioba
patent: 4252207 (1981-02-01), Dauvergne
patent: 4310063 (1982-01-01), Nishikawa

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